Shares of Tesla Motors (TSLA) are down $14, or 5.45%, at $243.01 in pre-market trading Friday following the unveiling of a smarter and safer all-wheel-drive version of its successful Model S sedan. Tesla founder and CEO Elon Musk introduced the upgrade of his company’s Model S sedan Thursday during an event at Hawthorne Airport in Los Angeles, saying the upgrade, which will also have new “autopilot” features, is an all-wheel drive variant of the current Models S.

On valuation measures, Tesla Motors has a PEG and forward P/E ratio of 4.89 and 76.95, respectively. Price/sales is 13.26 while EPS is ($1.35). Currently there are 8 analysts that rate TSLA a ‘Buy’, while 6 rate it a ‘Hold’. No analysts rate it a ‘Sell’. TSLA has a median Wall Street price target of $300.00 with a high target of $400.00.

In the past 52 weeks, shares of Palo Alto, California-based automaker have traded between a low of $116.10 and a high of $291.42 and are now at $248.10. Shares are up 52.28% year-over-year and 70.85% year-to-date.

Shares of Exact Sciences Corporation (EXAS) are up more than 35% to $24.47 in pre-market trading Friday after a preliminary payment report issued Thursday night stated Medicare officials are recommending the company’s colorectal screening tool be covered by Medicare. The report also said that it would grant the company’s request for a $502 reimbursement for its Cologuard colon cancer screening test.

Following the news, JMP Securities analysts increased their 12-month case base price estimate on Exact Sciences shares to $34 from $28 saying they believe Cologuard will become the standard of care for the detection of colorectal cancer. JMP reiterates an ‘Outperform’ rating on the stock.

On valuation measures, Exact Sciences Corporation, currently valued at $1.50B, has a median Wall Street price target of $21.00 with a high target of $28.00.

In the past 52 weeks, shares of molecular diagnostics company have traded between a low of $9.66 and a high of $23.20 with the 50-day MA and 200-day MA located at $20.10 and $16.10 levels, respectively. Additionally, shares of EXAS trade at a P/E ratio of -0.64 and have a Relative Strength Index (RSI) and MACD indicator of 43.92 and -0.76, respectively.

EXAS currently prints a one year return of about 89.94% and a year-to-date return of around 54.21%.

The Wall Street Journal reports that Google Inc. (GOOG) will release its largest-ever smartphone this month. The new device will have a 5.9 inch screen and be sold under the Nexus brand.

On valuation-measures, shares of Google have a trailing-12 and forward P/E of 29.06 and 18.97, respectively. P/E to growth ratio is 1.40, while t-12 profit margin is 20.29%. EPS registers at $19.30. The company has a market cap of $379.37B and a median Wall Street price target of $672.00 with a high target of $750.00.

On trading-measure, GOOG has a beta of 1.15 and a short float of 0.35%. In the past 52 weeks, shares of the search giant have traded between a low of $502.80 and a high of $604.83 with the 50-day MA and 200-day MA located at $578.39 and $562.48 levels, respectively.

Google shares are down $4.63 to $556.25 in pre-market trading today.

Analysts at Sterne Agee rated shares of Yelp, Inc. (YELP) a ‘Buy’ in a report issued to clients on Friday. The firm said it’s bullish on the name long term, despite the prospect of some short-term volatility.

On valuation measures, Yelp, Inc., currently valued at $5.02B, has a median Wall Street price target of $90.00 with a high target of $114.00. In the past 52 weeks, shares of the online local guide solutions company have traded between a low of $49.11 and a high of $101.75 with the 50-day MA and 200-day MA located at $76.49 and $70.14 levels, respectively. Additionally, shares of YELP trade at a P/E ratio of 11.38 and have a Relative Strength Index (RSI) and MACD indicator of 42.38 and -0.52, respectively.

YELP currently prints a one year return of about 9.69% and a year-to-date return of around 0.97%.

Shares of Microsoft (MSFT) are trading down in Friday’s pre-market session. CEO Satya Natella remains under intense scrutiny after saying women “shouldn’t ask for pay raise because it’s not good karma”. The comments came at a technology conference in Phoenix.

On valuation measures, MSFT shares are currently priced at 17.43x this year’s forecasted earnings, which makes them relatively expensive compared to the industry’s 8.52x earnings multiple. Ticker has a forward P/E of 14.33 and t-12 price-to-sales ratio of 4.44. EPS for the same period is $2.63.

In the past 52 weeks, shares of the software giant have traded between a low of $33.57 and a high of $47.57 and are now at $45.57. Shares are up 42.61% year-over-year and 25.14% year-to-date.